ORIGIN AIRPORT REPORT
SFO
San Francisco, CA (SFO) departure reliability
Of 146,683 scheduled reportable flights departing SFO, 76.3% arrived on time, 14.6% arrived at least 30 minutes late, and 1.0% were cancelled during July 2025–June 2026.
Source: U.S. Bureau of Transportation Statistics · Origin-airport cohort · Updated September 16, 2026
HISTORICAL ROUTE SIGNALGenerally reliable
76.3%arrived on time
14.6%30+ min late
1.0%cancelled
146,683scheduled flights
MOST-FLOWN DIRECTIONS
ALL ROUTES →Which route from SFO had the largest sample?
SFO to LAX was SFO's largest published route sample, with 11,015 scheduled flights and a 73.3% on-time rate during July 2025–June 2026.
SFO→LAXSan Francisco, CA (SFO) to Los Angeles, CA (LAX)11,015 flights analyzedGenerally reliable73.3%on timeSFO→SEASan Francisco, CA (SFO) to Seattle, WA (SEA)6,770 flights analyzedGenerally reliable72.7%on timeSFO→JFKSan Francisco, CA (SFO) to New York, NY (JFK)6,729 flights analyzedGenerally reliable78.0%on timeSFO→SANSan Francisco, CA (SFO) to San Diego, CA (SAN)6,548 flights analyzedVariable65.7%on timeSFO→LASSan Francisco, CA (SFO) to Las Vegas, NV (LAS)6,066 flights analyzedGenerally reliable73.6%on timeSFO→ORDSan Francisco, CA (SFO) to Chicago, IL (ORD)5,628 flights analyzedGenerally reliable75.0%on timeSFO→DENSan Francisco, CA (SFO) to Denver, CO (DEN)5,410 flights analyzedGenerally reliable74.8%on timeSFO→SNASan Francisco, CA (SFO) to Santa Ana, CA (SNA)4,726 flights analyzedGenerally reliable79.2%on timeSFO→BOSSan Francisco, CA (SFO) to Boston, MA (BOS)4,674 flights analyzedGenerally reliable75.7%on timeSFO→PHXSan Francisco, CA (SFO) to Phoenix, AZ (PHX)4,643 flights analyzedGenerally reliable73.7%on timeSFO→EWRSan Francisco, CA (SFO) to Newark, NJ (EWR)4,401 flights analyzedGenerally reliable74.5%on timeSFO→DFWSan Francisco, CA (SFO) to Dallas/Fort Worth, TX (DFW)4,127 flights analyzedGenerally reliable71.1%on timeSFO→IAHSan Francisco, CA (SFO) to Houston, TX (IAH)3,600 flights analyzedLower disruption84.3%on timeSFO→PDXSan Francisco, CA (SFO) to Portland, OR (PDX)3,514 flights analyzedLower disruption80.1%on timeSFO→SLCSan Francisco, CA (SFO) to Salt Lake City, UT (SLC)3,471 flights analyzedGenerally reliable76.5%on time
Which airline was most reliable departing SFO?
Among qualifying SFO airline departure results, United Airlines had the highest on-time rate: 80.4% of 60,681 flights. Southwest Airlines was lowest at 58.4% across 9,408 flights.
| Airline | Flights | On time | 30+ min | Cancelled |
|---|---|---|---|---|
| United Airlines | 60,681 | 80.4% | 11.5% | 0.5% |
| SkyWest Airlines | 32,078 | 75.0% | 15.9% | 1.3% |
| Delta Air Lines | 13,817 | 77.6% | 13.8% | 1.2% |
| American Airlines | 11,833 | 76.0% | 14.9% | 1.9% |
| Alaska Airlines | 10,554 | 75.3% | 14.2% | 1.1% |
| Southwest Airlines | 9,408 | 58.4% | 28.2% | 0.8% |
| JetBlue Airways | 4,397 | 77.1% | 14.5% | 1.6% |
| Frontier Airlines | 3,407 | 63.8% | 24.5% | 2.0% |
| Hawaiian Airlines | 507 | 73.2% | 12.2% | 2.0% |
| Envoy Air | 1 | 0.0% | 100.0% | 0.0% |
Origin report, not airport-wide operations.
These figures summarize the reported scheduled passenger flights in the dataset, not every flight or every airport process.